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About this paper

Marshall Ball, Eshan Chattopadhyay, Mohit Gurumukhani, Ronen Shaltiel, Yunya Zhao

The authors construct seedless extractors for dependent sources generated by samplers, using hashed high-entropy views and correlation breaking. Under nondeterministic-circuit hardness, it extracts one bit with constant error from min-entropy C log n, and near-all bits in polynomial time from entropy n^α. At polylogarithmic entropy, near-all extraction takes quasipolynomial time under nondeterministic hardness, or polynomial time under stronger Σ₂-circuit hardness.

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